<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>双向绑定</title>
    <style>
        
    </style>
</head>
<body>
    <div class="header"></div>

    <div id="app"></div>
    <script src="lib/vue.global.js"></script>
    <script>
        const app = createApp({
            data(){
            return{}

            }
        })
        app.mount("#app")

    </script>
    
</body>
</html>